Groups > sci.electronics.design > #481418

Re: Contactors/Relays

From	Hul Tytus <ht@panix.com>
Newsgroups	sci.electronics.design, sci.electronics.components
Subject	Re: Contactors/Relays
Date	2017-10-14 21:20 +0000
Organization	PANIX Public Access Internet and UNIX, NYC
Message-ID	<ortv2o$e2t$1@reader2.panix.com> (permalink)
References	<ortkap$p11$1@reader2.panix.com>

Cross-posted to 2 groups.

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David - are the "close coil, open coil" relays the type that are opened by 
a pulse on one coil and closed by a pulse on the other?

Hul

In sci.electronics.design David Lesher <wb8foz@panix.com> wrote:
> I have futilely been seeking 100A 3ph NC/Form B relays/contactors.
> It seems they are all stashed in the "unicorn eggs" box, sigh.

> So a second design approach involves dual coil relays. The
> flavor I seek has one larger coil to close the relay, and a
> second, much lower power holding coil to keep it closed.  Of
> course, I'm not finding them either. The ones I unearth are
> "close coil, open coil" flavor.

> Anyone seen such?

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Thread

Contactors/Relays David Lesher <wb8foz@panix.com> - 2017-10-14 18:16 +0000
  Re: Contactors/Relays legg <legg@nospam.magma.ca> - 2017-10-14 15:38 -0400
  Re: Contactors/Relays legg <legg@nospam.magma.ca> - 2017-10-14 15:52 -0400
  Re: Contactors/Relays legg <legg@nospam.magma.ca> - 2017-10-14 16:20 -0400
  Re: Contactors/Relays edward.ming.lee@gmail.com - 2017-10-14 14:15 -0700
    Re: Contactors/Relays David Lesher <wb8foz@panix.com> - 2017-10-15 03:36 +0000
      Re: Contactors/Relays M Philbrook <jamie_ka1lpa@charter.net> - 2017-10-15 12:07 -0400
        Re: Contactors/Relays mpm <mpmillard@aol.com> - 2017-10-15 09:19 -0700
      Re: Contactors/Relays edward.ming.lee@gmail.com - 2017-10-16 08:48 -0700
  Re: Contactors/Relays Hul Tytus <ht@panix.com> - 2017-10-14 21:20 +0000
  Re: Contactors/Relays John Larkin <jjlarkin@highlandtechnology.com> - 2017-10-14 16:43 -0700
  Re: Contactors/Relays upsidedown@downunder.com - 2017-10-15 10:20 +0300
  Re: Contactors/Relays Neon John <no@never.com> - 2017-10-15 09:49 -0400

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